Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Trastoy, J."'
Autor:
Hage, R. El, Sánchez-Manzano, D., Humbert, V., Carreira, S. J., Rouco, V., Sander, A, Cuellar, F., Seurre, K., Lagarrigue, A., Briatico, J., Trastoy, J., Santamaría, J., Villegas, Javier E.
The normal-state conductivity and superconducting critical temperature of oxygen-deficient YBa2Cu3O7-x can be persistently enhanced by illumination. Strongly debated for years, the origin of those effects -- termed persistent photoconductivity (PPC)
Externí odkaz:
http://arxiv.org/abs/2310.02761
Autor:
Perconte, D., Seurre, K., Humbert, V., Ulysse, C., Sander, A., Trastoy, J., Zatko, V., Godel, F., Kidambi, P. R., Hofmann, S., Zhang, X. P., Bercioux, D., Bergeret, F. S., Dlubak, B., Seneor, P., Villegas, Javier E.
Publikováno v:
Phys. Rev. Lett. 125, 087002 (2020)
Recent experiments have shown that proximity with high-temperature superconductors induces unconventional superconducting correlations in graphene. Here we demonstrate that those correlations propagate hundreds of nanometer, allowing for the unique o
Externí odkaz:
http://arxiv.org/abs/2002.10173
Autor:
Bégon-Lours, L., Rouco, V., Qiao, Qiao, Sander, A., Roldán, M. A., Bernard, R., Trastoy, J., Crassous, A., Jacquet, E., Bouzehouane, K., Bibes, M., Santamaría, J., Barthélémy, A., Varela, M., Villegas, Javier E.
Publikováno v:
Phys. Rev. Materials 2, 084405 (2018)
Ferroelectric field-effect doping has emerged as a powerful approach to manipulate the ground state of correlated oxides, opening the door to a new class of field-effect devices. However, this potential is not fully exploited so far, since the size o
Externí odkaz:
http://arxiv.org/abs/1908.07365
Autor:
Talatchian, P., Romera, M., Tsunegi, S., Araujo, F. Abreu, Cros, V., Bortolotti, P., Trastoy, J., Yakushiji, K., Fukushima, A., Kubota, H., Yuasa, S., Ernoult, M., Vodenicarevic, D., Hirtzlin, T., Locatelli, N., Querlioz, D., Grollier, J.
Can we build small neuromorphic chips capable of training deep networks with billions of parameters? This challenge requires hardware neurons and synapses with nanometric dimensions, which can be individually tuned, and densely connected. While nanos
Externí odkaz:
http://arxiv.org/abs/1904.11240
Autor:
Trastoy, J., Camjayi, A., del Valle, J., Kalcheim, Y., Crocombette, J. -P., Villegas, J. E., Rozenberg, M., Ravelosona, D., Schuller, Ivan K.
Publikováno v:
Phys. Rev. B 101, 245109 (2020)
Despite decades of experimental and theoretical efforts, the origin of metal-insulator transitions (MIT) in strongly-correlated materials is one of the main longstanding problems in condensed matter physics. An archetypal example is V2O3, where elect
Externí odkaz:
http://arxiv.org/abs/1808.03528
Autor:
Basaran, Ali C., Monton, C., Trastoy, J., Bernard, R., Bouzehouane, K., Villegas, J.E., Schuller, Ivan K.
Publikováno v:
In Journal of Magnetism and Magnetic Materials 15 May 2022 550
Autor:
Begon-Lours, L., Rouco, V., Sander, A., Trastoy, J., Bernard, R., Jacquet, E., Bouzehouane, K., Fusil, S., Garcia, V., Barthelemy, A., Bibes, M., Santamaría, J., Villegas, J. E.
Publikováno v:
Phys. Rev. Applied 7, 064015 (2017)
In all-oxide ferroelectric (FE) - superconductor (S) bilayers, due to the low carrier concentration of oxides compared to transition metals, the FE interfacial polarization charges induce an accumulation (or depletion) of charge carriers in the S. Th
Externí odkaz:
http://arxiv.org/abs/1703.01219
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Autor:
Trastoy, J., Rouco, V., Ulysse, C., Bernard, R., Palau, A., Puig, T., Faini, G., Lesueur, J., Briatico, J., Villegas, J. E.
Publikováno v:
New J. Phys. 15 (2013) 103022
We study the general problem of a manifold of interacting elastic lines whose spatial correlations are strongly affected by the competition between random and ordered pinning. This is done through magneto-transport experiments with YBa2Cu3O7-d thin f
Externí odkaz:
http://arxiv.org/abs/1310.6165
Autor:
Trastoy, J., Malnou, M., Ulysse, C., Bernard, R., Bergeal, N., Faini, G., Lesueur, J., Briatico, J., Villegas, Javier E.
We report on the realization of artificial ice using superconducting vortices in geometrically frustrated pinning arrays. This vortex ice shows two unique properties among artificial ice systems. The first comes from the possibility to switch the arr
Externí odkaz:
http://arxiv.org/abs/1307.2881